These eyepieces are versatile flatfield eyepieces with exceptionally high image sharpness, which is particularly noticeable in planetary and lunar observation .
The patented EMD coating ensures high contrast and avoids annoying reflections. With a corrected apparent field of view of 52 degrees, these eyepieces are far superior to simpler Plössl eyepieces. The argon filling effectively prevents fogging from the inside, and you need not be afraid of dust, glass fungus or the ingress of cleaning fluid. The eyepieces are sealed watertight. This guarantees that you will enjoy these high-quality eyepieces for many years and countless observations.
The Explore Scientific 52 ° LER series stands for highest comfort and quality, coupled with an excellent price-performance ratio .